package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {
    private final DishService dishService;
    private final DishFlavorService dishFlavorService;
    private final CategoryService categoryService;

    @Autowired
    public DishController(DishService dishService, DishFlavorService dishFlavorService, CategoryService categoryService) {
        this.dishFlavorService = dishFlavorService;
        this.dishService = dishService;
        this.categoryService = categoryService;
    }

    /**
     * 新增菜品
     * */

    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto) {

        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    /**
     * 获取菜品列表
     * */

    @GetMapping("/page")
    public R<Page<DishDto>> page(@RequestParam Integer page, @RequestParam Integer pageSize, @RequestParam(defaultValue = "") String name) {
        Page<Dish> pageInfo = new Page<>(page, pageSize);
        Page<DishDto> pageInfoDto = new Page<>();
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null, Dish::getName, name);
        queryWrapper.orderByDesc(Dish::getUpdateTime);
        dishService.page(pageInfo, queryWrapper);
        // 对象拷贝
        BeanUtils.copyProperties(pageInfo, pageInfoDto, "records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list = records.stream().map((item) -> {
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item, dishDto);

            Long categoryId = item.getCategoryId();
            // 根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                System.out.println(categoryName);
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());
        pageInfoDto.setRecords(list);
        return R.success(pageInfoDto);
    }

    /**
     * 根据id查询菜品
     * */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id) {
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /**
     * 修改菜品
     * */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto) {
        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功");
    }

    /**
     * 根据条件查询对应的菜品数据
     * */

    @GetMapping("/list")
    public R<List<Dish>> list(Dish dish) {
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
        queryWrapper.eq(Dish::getStatus, 1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);
        return R.success(list);
    }
}
